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Wi-Fi Protected Setup
Wi‑Fi Protected Setup (WPS), referred to as Wi‑Fi Simple Configuration in the specification, and branded as WPS, is a standard designed to ease the setup of Wi‑Fi networks in home and small office environments.
Created by Wi‑Fi Alliance, the purpose of the protocol is to allow home users who know little of wireless security and may be intimidated by the available security options to set up Wi‑Fi Protected Access, as well as making it easy to add new devices to an existing network without entering long passphrases. It is used by devices made by HP, Brother and Canon, especially for their printers. WPS is a wireless method that is used to connect certain Wi‑Fi devices, such as printers and security cameras, to the Wi‑Fi network without using any password. In addition, another way to connect is called WPS PIN; this is used by some devices to connect to the wireless network.
A major security flaw was revealed in December 2011 that affects wireless routers with the WPS PIN feature, which most recent models have enabled by default. The flaw allows a remote attacker to recover the WPS PIN in 4–10 hours with a brute-force attack and, with the WPS PIN, the network's WPA/WPA2 pre-shared key (PSK). Users have been urged to turn off the WPS PIN feature, although this may not be possible on some router models.
The standard emphasizes usability and security, and allows four modes in a home network for adding a new device to the network:
The last two modes are usually referred to as out-of-band methods as there is a transfer of information by a channel other than the Wi‑Fi channel itself. Only the first two modes are currently[when?] covered by the WPS certification. The USB method has been deprecated and is not part of the Alliance's certification testing.[citation needed]
Some wireless access points have a dual-function WPS button, and holding this button down for a shorter or longer time may have other functions, such as factory-reset or toggling WiFi. [additional citation(s) needed]
Some manufacturers, such as Netgear, use a different logo and/or name for Wi‑Fi Protected Setup; the Wi‑Fi Alliance recommends the use of the Wi‑Fi Protected Setup Identifier Mark on the hardware button for this function.
The WPS protocol defines three types of devices in a network:
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Wi-Fi Protected Setup
Wi‑Fi Protected Setup (WPS), referred to as Wi‑Fi Simple Configuration in the specification, and branded as WPS, is a standard designed to ease the setup of Wi‑Fi networks in home and small office environments.
Created by Wi‑Fi Alliance, the purpose of the protocol is to allow home users who know little of wireless security and may be intimidated by the available security options to set up Wi‑Fi Protected Access, as well as making it easy to add new devices to an existing network without entering long passphrases. It is used by devices made by HP, Brother and Canon, especially for their printers. WPS is a wireless method that is used to connect certain Wi‑Fi devices, such as printers and security cameras, to the Wi‑Fi network without using any password. In addition, another way to connect is called WPS PIN; this is used by some devices to connect to the wireless network.
A major security flaw was revealed in December 2011 that affects wireless routers with the WPS PIN feature, which most recent models have enabled by default. The flaw allows a remote attacker to recover the WPS PIN in 4–10 hours with a brute-force attack and, with the WPS PIN, the network's WPA/WPA2 pre-shared key (PSK). Users have been urged to turn off the WPS PIN feature, although this may not be possible on some router models.
The standard emphasizes usability and security, and allows four modes in a home network for adding a new device to the network:
The last two modes are usually referred to as out-of-band methods as there is a transfer of information by a channel other than the Wi‑Fi channel itself. Only the first two modes are currently[when?] covered by the WPS certification. The USB method has been deprecated and is not part of the Alliance's certification testing.[citation needed]
Some wireless access points have a dual-function WPS button, and holding this button down for a shorter or longer time may have other functions, such as factory-reset or toggling WiFi. [additional citation(s) needed]
Some manufacturers, such as Netgear, use a different logo and/or name for Wi‑Fi Protected Setup; the Wi‑Fi Alliance recommends the use of the Wi‑Fi Protected Setup Identifier Mark on the hardware button for this function.
The WPS protocol defines three types of devices in a network: